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<table width="100%" summary="page for Rochdale"><tr><td>Rochdale</td><td style="text-align: right;">R Documentation</td></tr></table>

<h2>Rochdale Data</h2>

<h3>Description</h3>

<p>Information on 665 households of Rochdale, Lancashire, UK.
The study was conducted to identify influence factors on economical
activity of wives. 
</p>


<h3>Usage</h3>

<pre>
data("Rochdale")
</pre>


<h3>Format</h3>

<p>A 8-dimensional array resulting from cross-tabulating 665 observations
on 8 variables.  The variables and their levels are as follows:
</p>

<table summary="Rd table">
<tr>
 <td style="text-align: right;">
    No </td><td style="text-align: left;"> Name </td><td style="text-align: left;"> Levels </td>
</tr>
<tr>
 <td style="text-align: right;">
    1 </td><td style="text-align: left;"> EconActive </td><td style="text-align: left;"> yes, no </td>
</tr>
<tr>
 <td style="text-align: right;">
    2 </td><td style="text-align: left;"> Age </td><td style="text-align: left;"> &lt;38, &gt;38 </td>
</tr>
<tr>
 <td style="text-align: right;">
    3 </td><td style="text-align: left;"> HusbandEmployed </td><td style="text-align: left;"> yes, no </td>
</tr>
<tr>
 <td style="text-align: right;">
    4 </td><td style="text-align: left;"> Child </td><td style="text-align: left;"> yes, no </td>
</tr>
<tr>
 <td style="text-align: right;">
    5 </td><td style="text-align: left;"> Education </td><td style="text-align: left;"> yes, no </td>
</tr>
<tr>
 <td style="text-align: right;">
    6 </td><td style="text-align: left;"> HusbandEducation </td><td style="text-align: left;"> yes, no </td>
</tr>
<tr>
 <td style="text-align: right;">
    7 </td><td style="text-align: left;"> Asian </td><td style="text-align: left;"> yes, no </td>
</tr>
<tr>
 <td style="text-align: right;">
    8 </td><td style="text-align: left;"> HouseholdWorking </td><td style="text-align: left;"> yes, no </td>
</tr>
<tr>
 <td style="text-align: right;">
  </td>
</tr>

</table>



<h3>Note</h3>

<p>Many observations are missing: only 91 out of all 256 combinations
contain information.
</p>


<h3>Source</h3>

<p>Whittaker (1990).
</p>


<h3>References</h3>

<p>H. Hofmann (2003).
Constructing and reading mosaicplots.
<em>Computational Statistics &amp; Data Analysis</em>,
<b>43</b>, 4, 565&ndash;580.
</p>
<p>J. Whittaker (1990),
<em>Graphical Models on Applied Multivariate Statistics</em>,
Wiley, New York.
</p>


<h3>Examples</h3>

<pre>
data("Rochdale")
mosaic(Rochdale)
</pre>


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